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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW " title="NEW --- - Crash while compiling" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D23846&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=lKpyu6IH7TYfKx11_EN0XvgFBcs2LSM0vNTrsEnrXDQ&s=AL6xJHXDbwxOvoEspg4i_PUcvu8FpnJB9qli3BIgeBA&e=">23846</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Crash while compiling
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Scalar Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>todd@cloudera.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>I hit the following crash using r238013 to build my project:
0 clang 0x0000000000f0a645
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37
1 clang 0x0000000000f09a11
2 libpthread.so.0 0x0000003797c0f500
3 clang 0x0000000000eb0be4 llvm::APInt::countLeadingZerosSlowCase()
const + 36
4 clang 0x0000000000eb0cba llvm::APInt::EqualSlowCase(unsigned long)
const + 90
5 clang 0x0000000000b34101
6 clang 0x0000000000b4efb9
llvm::ConstantExpr::getGetElementPtr(llvm::Type*, llvm::Constant*,
llvm::ArrayRef<llvm::Value*>, bool, llvm::Type*) + 57
7 clang 0x0000000000871c06
llvm::SimplifyGEPInst(llvm::ArrayRef<llvm::Value*>, llvm::DataLayout const&,
llvm::TargetLibraryInfo const*, llvm::DominatorTree const*,
llvm::AssumptionCache*, llvm::Instruction const*) + 246
8 clang 0x000000000087282b
llvm::SimplifyInstruction(llvm::Instruction*, llvm::DataLayout const&,
llvm::TargetLibraryInfo const*, llvm::DominatorTree const*,
llvm::AssumptionCache*) + 683
9 clang 0x0000000000dd72b1
10 clang 0x0000000000dd8575
11 clang 0x0000000000c08c3f
llvm::FPPassManager::runOnFunction(llvm::Function&) + 623
12 clang 0x0000000000c08d1e
llvm::legacy::FunctionPassManagerImpl::run(llvm::Function&) + 126
13 clang 0x0000000000c08dd4
llvm::legacy::FunctionPassManager::run(llvm::Function&) + 36
14 clang 0x000000000130601d
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_pwrite_stream*)
+ 3837
15 clang 0x00000000012f13b0
16 clang 0x0000000001815885 clang::ParseAST(clang::Sema&, bool, bool)
+ 741
17 clang 0x0000000001087b86 clang::FrontendAction::Execute() + 118
18 clang 0x0000000001066c71
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 289
19 clang 0x000000000110f673
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1939
20 clang 0x00000000006ccf48 cc1_main(llvm::ArrayRef<char const*>,
char const*, void*) + 968
21 clang 0x00000000006cc68e main + 9902
22 libc.so.6 0x000000379781ecdd __libc_start_main + 253
23 clang 0x00000000006c8b99
Stack dump:
0. Program arguments:
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/thirdparty/clang-238013/bin/clang
-cc1 -triple x86_64-unknown-linux-gnu -emit-obj -disable-free
-disable-llvm-verifier -main-file-name module_builder.cc -mrelocation-model pic
-pic-level 2 -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose
-mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-feature
+sse4.2 -momit-leaf-frame-pointer -g -dwarf-column-info
-fno-unique-section-names -coverage-file
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/src/xxx/codegen/CMakeFiles/codegen.dir/module_builder.cc.o
-resource-dir
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/thirdparty/clang-238013/bin/../lib/clang/3.7.0
-isystem
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/thirdparty/installed/include
-D DYNAMIC_ANNOTATIONS_ENABLED -D XXX_HEADERS_NO_STUBS=1 -D
KUDU_HEADERS_USE_RICH_SLICE=1 -D XXX_HEADERS_USE_SHORT_STATUS_MACROS=1 -D
XXX_STATIC_DEFINE -D LLVM_SUPPORT_VALGRIND_H -D THREAD_SANITIZER -D
_GLIBCXX_EXTERN_TEMPLATE=0 -D __STDC_CONSTANT_MACROS -D __STDC_LIMIT_MACROS -D
codegen_EXPORTS -D __STDC_FORMAT_MACROS -I
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/src
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/x86_64-redhat-linux
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/backward
-internal-isystem /usr/local/include -internal-isystem
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/thirdparty/clang-238013/bin/../lib/clang/3.7.0/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O1
-Wall -Wno-sign-compare -Wno-deprecated -Wno-c++11-extensions
-fdebug-compilation-dir
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/src/xxx/codegen
-ferror-limit 19 -fmessage-length 0 -fsanitize=thread
-fsanitize-blacklist=/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/build-support/sanitize-blacklist.txt
-pthread -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -o CMakeFiles/codegen.dir/module_builder.cc.o -x c++
/data1/jenkins-workspace/xxx-gerrit/BUILD_TYPE/TSAN/label/xxx-gerrit-slaves/src/xxx/codegen/module_builder.cc
1. <eof> parser at end of file
2. Per-function optimization
3. Running pass 'Early CSE' on function
'@_ZN4xxx7codegen13ModuleBuilder4InitEv'
clang: error: unable to execute command: Segmentation fault (core dumped)
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.7.0 (trunk)
Target: x86_64-unknown-linux-gnu
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__llvm.org_bugs_&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=lKpyu6IH7TYfKx11_EN0XvgFBcs2LSM0vNTrsEnrXDQ&s=N87r53ctkerp58zon9jNG-jPaiQDXFdg24CpBsi0wsg&e=">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
Unfortunately the project isn't open source as of yet, so I can't share the
preprocessed source generally. If the above isn't enough to repro, feel free to
reply and I can probably get you a copy of the preprocessed source via email.</pre>
</div>
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